These are the thinnest mechanical watches ever made in the world, incredible feats of micro-engineering that have slimmed down a centuries-old technology to the thickness of just a few credit cards.

Featured watches:

Jaeger-LeCoultre Master Ultra Thin Minute Repeater Flying Tourbillon Hybris Mechanica 11 2014 7.9mm

Bulgari Octo Finissimo Minute Repeater 2016 6.85mm

Bulgari Octo Finissimo Chronograph GMT 2019 6.9mm

Bulgari Octo Finissimo Perpetual Calendar 2021 5.8mm

Piaget Altiplano Ultimate Concept Tourbillon 2024 2mm

Jaeger-LeCoultre Master Ultra Thin Squelette 2015 3.6mm

Piaget Altiplano Ultimate Concept 2018 2mm

Bulgari Octo Finissimo Ultra 2022 1.8mm

Richard Mille RM UP-01 Ferrari 2022 1.75mm

Bulgari Octo Finissimo Ultra COSC 2024 1.7mm

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